Implements or apparatus for applying pushing or pulling force – Vehicle attached jack – Hydraulic or pneumatic
Patent
1995-07-24
1997-06-10
Watson, Robert C.
Implements or apparatus for applying pushing or pulling force
Vehicle attached jack
Hydraulic or pneumatic
B66F 324
Patent
active
056368305
ABSTRACT:
An improved hydraulic lift system for a motor vehicle comprising a plurality of hydraulic struts pivotally mounted to an undercarriage of the motor vehicle. An apparatus is for supplying hydraulic pressure through the system. A device is for hydraulically rotating each hydraulic strut from an up position to a down position. An assemblage is for hydraulically telescoping each hydraulic strut from a retracted position to an extended position, so as to lift the motor vehicle off of a flat support surface.
REFERENCES:
patent: 2442881 (1948-06-01), Soskin
patent: 2472294 (1949-06-01), Hall
patent: 2546203 (1951-03-01), Tucker
patent: 2619319 (1952-11-01), Lucas
patent: 3321182 (1967-05-01), Elenburg
patent: 3362683 (1968-01-01), Hansen
patent: 4165861 (1979-08-01), Hanser
patent: 5232206 (1993-08-01), Hunt et al.
Kroll Michael I.
Watson Robert C.
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